COVER INFORMATION Station: JODRELL1 (Code Jb ) Experiment: RadioAstron imaging of Mrk 501 Exp. Code: eg086b Schedule Version: 1.20 Processed by SCHED version: 11.30 Version 11.3 update 1. April 14, 2014 PI: Gabriele Giovannini Address: IRA - INAF via Gobetti 101 40129 Bologna, Italy Phone: +39 0516399415 EMAIL: ggiovann@ira.inaf.it Fax: Phone during observation: +7-903-6614865 Observing mode: C/K-band, dual-pol Notes: C/K-band, Radioastron-compatible frequency setup Mark5C stations should record in Mk5B+ format P-CAL is ON, Tsys is ON auto-level (AGC) is ON Schedule for JODRELL1 (Code Jb ) Page 2 RadioAstron imaging of Mrk 501 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 5 Mar 2015 Day 64 --- ---------- Space segment 01: C-band VLBI scans. MRK501 ---------- Next scan frequencies: 4836.00 4836.00 4836.00 4836.00 Next BBC frequencies: 136.00 136.00 136.00 136.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 20 00 00 1652+398 06 43 45 5.9 20.8-10.2 -16.0 0 0 20 00 00 20 19 30 --- 07 03 18 7.1 24.4 -9.9 -18.8 1170 37 20 00 04 20 20 00 1652+398 07 03 48 7.1 24.5 -9.8 -18.8 23 37 20 20 00 20 40 00 --- 07 23 52 8.4 28.2 -9.5 -21.5 1200 76 20 20 04 ---------- Ground segment 01: C-band VLBI scans. MRK501 ---------- 20 40 30 1652+398 07 24 22 8.4 28.2 -9.5 -21.6 23 76 20 40 30 20 49 30 --- 07 33 23 9.1 29.9 -9.3 -22.8 540 93 20 40 34 20 50 00 1652+398 07 33 53 9.1 30.0 -9.3 -22.9 23 93 20 50 00 20 59 30 --- 07 43 25 9.9 31.7 -9.2 -24.1 570 111 20 50 04 21 00 00 1652+398 07 43 55 9.9 31.8 -9.2 -24.2 23 111 21 00 00 21 09 30 --- 07 53 27 10.7 33.4 -9.0 -25.4 570 130 21 00 04 21 10 00 1652+398 07 53 57 10.7 33.5 -9.0 -25.5 23 130 21 10 00 21 19 30 --- 08 03 28 11.5 35.2 -8.8 -26.7 570 148 21 10 04 21 20 00 1652+398 08 03 58 11.6 35.3 -8.8 -26.7 23 148 21 20 00 21 29 30 --- 08 13 30 12.4 37.0 -8.7 -27.9 570 166 21 20 04 21 30 00 1652+398 08 14 00 12.5 37.0 -8.7 -28.0 23 166 21 30 00 21 39 30 --- 08 23 32 13.3 38.7 -8.5 -29.1 570 184 21 30 04 21 40 00 1652+398 08 24 02 13.4 38.8 -8.5 -29.2 23 184 21 40 00 21 49 30 --- 08 33 33 14.3 40.4 -8.3 -30.3 570 203 21 40 04 21 50 00 1652+398 08 34 03 14.3 40.5 -8.3 -30.4 23 203 21 50 00 21 59 30 --- 08 43 35 15.3 42.1 -8.2 -31.5 570 221 21 50 04 ---------- Space segment 02: C-band VLBI scans. MRK501 ---------- 22 00 00 1652+398 08 44 05 15.3 42.2 -8.2 -31.5 23 221 22 00 00 22 20 00 --- 09 04 08 17.4 45.6 -7.8 -33.8 1200 259 22 00 04 Schedule for JODRELL1 (Code Jb ) Page 3 RadioAstron imaging of Mrk 501 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 5 Mar 2015 Day 64 --- ---------- Space segment 02: C-band VLBI scans. 3C345 ---------- 22 25 00 3C345 09 09 09 19.2 48.2 -7.6 -35.5 277 259 22 25 00 22 40 00 --- 09 24 11 20.9 50.7 -7.3 -37.1 900 288 22 25 04 ---------- Ground segment 02: C-band VLBI scans. MRK501 ---------- 22 40 30 1652+398 09 24 42 19.7 49.0 -7.5 -36.0 8 288 22 40 30 22 49 30 --- 09 33 43 20.7 50.5 -7.3 -36.9 540 305 22 40 34 22 50 00 1652+398 09 34 13 20.8 50.6 -7.3 -37.0 23 305 22 50 00 22 59 30 --- 09 43 45 21.9 52.1 -7.2 -37.9 570 324 22 50 04 23 00 00 1652+398 09 44 15 21.9 52.2 -7.2 -38.0 23 324 23 00 00 23 09 30 --- 09 53 46 23.1 53.8 -7.0 -38.9 570 342 23 00 04 23 10 00 1652+398 09 54 16 23.1 53.9 -7.0 -38.9 23 342 23 10 00 23 19 30 --- 10 03 48 24.3 55.4 -6.8 -39.8 570 360 23 10 04 23 20 00 1652+398 10 04 18 24.3 55.5 -6.8 -39.9 23 360 23 20 00 23 29 30 --- 10 13 50 25.5 57.0 -6.7 -40.8 570 378 23 20 04 23 30 00 1652+398 10 14 20 25.6 57.1 -6.7 -40.8 23 378 23 30 00 23 39 30 --- 10 23 51 26.8 58.6 -6.5 -41.7 570 396 23 30 04 23 40 00 1652+398 10 24 21 26.9 58.7 -6.5 -41.7 23 396 23 40 00 23 49 30 --- 10 33 53 28.1 60.3 -6.3 -42.5 570 415 23 40 04 --- Start: Thu 5 Mar 2015 Day 64 -- Stop: Fri 6 Mar 2015 Day 65 --- 23 50 00 1652+398 10 34 23 28.2 60.3 -6.3 -42.6 23 415 23 50 00 00 04 30 --- 10 48 55 30.1 62.7 -6.1 -43.7 870 443 23 50 04 ---------- Space segment 03: C-band VLBI scans. MRK501 ---------- 00 05 00 1652+398 10 49 25 30.1 62.8 -6.1 -43.8 23 443 00 05 00 00 24 30 --- 11 08 59 32.8 65.9 -5.8 -45.3 1170 480 00 05 04 00 25 00 1652+398 11 09 29 32.8 66.0 -5.7 -45.3 23 480 00 25 00 00 45 00 --- 11 29 32 35.6 69.2 -5.4 -46.7 1200 518 00 25 04 ---------- Ground segment 03: C-band VLBI scans. MRK501 ---------- 00 45 30 1652+398 11 30 02 35.7 69.3 -5.4 -46.7 23 518 00 45 30 00 54 30 --- 11 39 04 37.0 70.8 -5.3 -47.3 540 536 00 45 34 Schedule for JODRELL1 (Code Jb ) Page 4 RadioAstron imaging of Mrk 501 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 6 Mar 2015 Day 65 --- 00 55 00 1652+398 11 39 34 37.0 70.8 -5.2 -47.3 23 536 00 55 00 01 04 30 --- 11 49 05 38.4 72.4 -5.1 -47.9 570 554 00 55 04 01 05 00 1652+398 11 49 35 38.5 72.5 -5.1 -47.9 23 554 01 05 00 01 14 30 --- 11 59 07 39.8 74.1 -4.9 -48.4 570 572 01 05 04 01 15 00 1652+398 11 59 37 39.9 74.1 -4.9 -48.5 23 572 01 15 00 01 24 30 --- 12 09 09 41.3 75.7 -4.8 -49.0 570 590 01 15 04 01 25 00 1652+398 12 09 39 41.3 75.8 -4.7 -49.0 23 590 01 25 00 01 34 30 --- 12 19 10 42.7 77.4 -4.6 -49.4 570 609 01 25 04 01 35 00 1652+398 12 19 40 42.8 77.5 -4.6 -49.5 23 609 01 35 00 01 44 30 --- 12 29 12 44.2 79.2 -4.4 -49.9 570 627 01 35 04 01 45 00 1652+398 12 29 42 44.3 79.2 -4.4 -49.9 23 627 01 45 00 01 54 30 --- 12 39 13 45.7 80.9 -4.3 -50.2 570 645 01 45 04 01 55 00 1652+398 12 39 44 45.7 81.0 -4.2 -50.2 23 645 01 55 00 02 09 30 --- 12 54 16 47.9 83.6 -4.0 -50.7 870 673 01 55 04 ---------- Space segment 04: C-band VLBI scans. MRK501 ---------- 02 10 00 1652+398 12 54 46 48.0 83.7 -4.0 -50.7 23 673 02 10 00 02 30 00 --- 13 14 49 51.0 87.4 -3.7 -51.0 1200 711 02 10 04 ---------- Space segment 04: C-band VLBI scans. 3C345 ---------- 02 35 00 3C345 13 19 50 53.4 90.5 -3.4 -51.1 275 711 02 35 00 02 50 00 --- 13 34 53 55.6 93.6 -3.1 -51.0 900 740 02 35 04 ---------- Ground segment 04: C-band VLBI scans. MRK501 ---------- 02 50 30 1652+398 13 35 23 54.0 91.5 -3.3 -51.1 6 740 02 50 30 02 59 30 --- 13 44 24 55.4 93.4 -3.2 -51.0 540 757 02 50 34 03 00 00 1652+398 13 44 54 55.5 93.5 -3.2 -51.0 23 757 03 00 00 03 09 30 --- 13 54 26 56.9 95.6 -3.0 -50.8 570 776 03 00 04 03 10 00 1652+398 13 54 56 57.0 95.7 -3.0 -50.8 22 776 03 10 00 03 19 30 --- 14 04 27 58.4 97.9 -2.8 -50.4 570 794 03 10 04 03 20 00 1652+398 14 04 57 58.5 98.0 -2.8 -50.4 22 794 03 20 00 03 29 30 --- 14 14 29 59.9 100.3 -2.7 -50.0 570 812 03 20 04 Schedule for JODRELL1 (Code Jb ) Page 5 RadioAstron imaging of Mrk 501 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 6 Mar 2015 Day 65 --- 03 30 00 1652+398 14 14 59 59.9 100.4 -2.7 -50.0 22 812 03 30 00 03 39 30 --- 14 24 31 61.3 102.8 -2.5 -49.4 570 830 03 30 04 03 40 00 1652+398 14 25 01 61.4 102.9 -2.5 -49.3 22 830 03 40 00 03 49 30 --- 14 34 32 62.8 105.5 -2.3 -48.6 570 849 03 40 04 03 50 00 1652+398 14 35 02 62.9 105.7 -2.3 -48.5 22 849 03 50 00 03 59 30 --- 14 44 34 64.2 108.4 -2.2 -47.6 570 867 03 50 04 04 00 00 1652+398 14 45 04 64.3 108.6 -2.2 -47.5 22 867 04 00 00 04 09 30 --- 14 54 36 65.6 111.5 -2.0 -46.4 570 885 04 00 04 ---------- Space segment 05: C-band VLBI scans. MRK501 ---------- 04 10 00 1652+398 14 55 06 65.7 111.7 -2.0 -46.3 22 885 04 10 00 04 29 30 --- 15 14 39 68.4 118.5 -1.7 -43.1 1170 923 04 10 04 04 30 00 1652+398 15 15 09 68.4 118.7 -1.7 -43.1 22 923 04 30 00 04 49 30 --- 15 34 42 70.9 126.9 -1.3 -38.5 1170 960 04 30 04 04 50 00 1652+398 15 35 12 70.9 127.1 -1.3 -38.4 21 960 04 50 00 05 00 00 --- 15 45 14 72.1 132.0 -1.2 -35.3 600 979 04 50 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra6cm2.set --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 22 Station: JODRELL1 Total bit rate: 256 Format: MKIV1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4700.00 4700.00 4700.00 4700.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used with PCAL = 1MHz LO sum= 4836.00 4836.00 4836.00 4836.00 BBC fr= 136.00 136.00 136.00 136.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 7 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 53.825346 0.00 85 16 41.77889 * 85 00 00.00000 84 54 47.78092 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * 1652+398 16 52 11.729418 * 16 53 52.216683 16 54 22.724212 0.00 J1653+3945 39 50 25.15723 * 39 45 36.60881 39 43 59.82763 0.00 MRK501 ./eg086b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 6490 observations, RA-AO2-04 1641+399 16 41 17.606226 * 16 42 58.809963 16 43 29.593651 0.00 J1642+3948 39 54 10.81479 * 39 48 36.99385 39 46 46.25492 0.00 * 3C345 ./eg086b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 51938 observations, RA-AO2-10, RA-AO2-1 SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline FAKERA ra1cm2.set 14 3.300 0.000 1652+398 ra1cm2.set 1 2 3 4 15 18 21 22 8.000 289.803 ra6cm2.set 7 8 9 10 11 17 19 20 8.000 276.305 3C345 ra1cm2.set 1 2 3 4 15 18 21 0.500 20.250 ra6cm2.set 7 8 9 10 11 17 19 20 0.500 18.000 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) FAKERA 100.8 1652+398 95.8 3C345 97.9 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg